cf.NetCDFArray


class cf.NetCDFArray(filename=None, ncvar=None, varid=None, dtype=None, ndim=None, shape=None, size=None)[source]

Bases: cfdm.data.netcdfarray.NetCDFArray, cf.data.abstract.filearray.FileArray

A sub-array stored in a netCDF file.

Initialization

Parameters:
filename: str

The name of the netCDF file containing the array.

ncvar: str, optional

The name of the netCDF variable containing the array. Required unless varid is set.

varid: int, optional

The UNIDATA netCDF interface ID of the variable containing the array. Required if ncvar is not set, ignored if ncvar is set.

dtype: numpy.dtype

The data type of the array in the netCDF file.

shape: tuple

The array dimension sizes in the netCDF file.

size: int

Number of elements in the array in the netCDF file.

ndim: int

The number of array dimensions in the netCDF file.

Examples:

>>> import netCDF4
>>> nc = netCDF4.Dataset('file.nc', 'r')
>>> v = nc.variable['tas']
>>> a = NetCDFFileArray(filename='file.nc', ncvar='tas', dtype=v.dtype, 
...                     ndim=v.ndim, shape=v.shape, size=v.size)

Inspection

Methods

get_ncvar The name of the netCDF variable containing the array.
get_varid The UNIDATA netCDF interface ID of the variable containing the array.
get_compression_type The type of compression that has been applied to the underlying array.
get_subspace Return a subspace, defined by indices, of a numpy array.

Attributes

array Return an independent numpy array containing the data.
dtype Data-type of the data elements.
ndim Number of array dimensions
shape Tuple of array dimension sizes.
size Number of elements in the array.

File

Methods

close Close the file containing the data array.
get_filename The name of the netCDF file containing the array.
open Return a netCDF4.Dataset object for the file containing the data array.

Attributes

file_pointer TODO
filename TODO

Miscellaneous

copy Return a deep copy of the array.
get_subspace Return a subspace, defined by indices, of a numpy array.
inspect Inspect the object for debugging.
to_memory TODO

Special

Methods

__getitem__ x.__getitem__(indices) <==> x[indices]